Mrs. Morales wrote a test with 16 questions covering spelling and vocabulary. Spelling questions (x) are worth 5 points and voca
2 answers:
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2 black marbles:
1 white, 1 black:
1 white, 1 non-black (this means you draw either 2 white, or 1 white and 1 red; we add the events' probabilities because they are disjoint events):
1 white, 1 black:
1 white, 1 non-black (this means you draw either 2 white, or 1 white and 1 red; we add the events' probabilities because they are disjoint events):